<template>
  <div class="login-container">
    <!-- 表单验证三要素： -->
    <!-- ① el-form需要有  model属性【表单数据对象】、rules属性【验证规则对象】、ref属性【引用字符串】 -->
    <!-- ② el-form-item需要有  prop属性【校验的字段名】 -->
    <!-- ③ el-input 等控件 要有  v-model属性 【表单数据字段】 -->
    <el-form
      ref="loginForm"
      :model="loginForm"
      :rules="loginRules"
      class="login-form"
      auto-complete="on"
      label-position="left"
    >
      <!-- 放置标题图片 @是设置的别名-->
      <div class="title-container">
        <h3 class="title">登录</h3>
      </div>
      <el-form-item prop="account">
        <span class="svg-container">
          <svg-icon icon-class="user" />
        </span>
        <el-input
          ref="account"
          v-model="loginForm.account"
          placeholder="请输入手机号"
          name="account"
          type="text"
          tabindex="1"
          auto-complete="on"
        />
      </el-form-item>

      <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon icon-class="password" />
        </span>
        <el-input
          :key="passwordType"
          ref="password"
          v-model="loginForm.password"
          :type="passwordType"
          placeholder="请输入密码"
          name="password"
          tabindex="2"
          auto-complete="on"
          @keyup.enter.native="handleLogin"
        />
        <span class="show-pwd" @click="showPwd">
          <svg-icon
            :icon-class="passwordType === 'password' ? 'eye' : 'eye-open'"
          />
        </span>
      </el-form-item>

      <el-button
        :loading="loading"
        type="primary"
        style="width: 100%; margin-bottom: 30px"
        @click.native.prevent="handleLogin"
        class="loginBtn"
        >立即登录</el-button
      >

      <div class="tips">
        <span style="margin-right: 20px">账号: learnAdmin@163.com</span>
        <span> 密码: admin888</span>
      </div>
    </el-form>
  </div>
</template>

<script>

export default {
  name: "Login",
  data() {
    return {
      loginForm: {
        account: "learnAdmin@163.com",
        password: "admin888",
      },
      loginRules: {
        account: [
          { required: true, trigger: "blur", message: "请输入用户名" },
          // { trigger: "blur", validator: validatorMobile },
        ],
        password: [
          { required: true, trigger: "blur", message: "请输入密码" },
          { min: 6, max: 16, trigger: "blur", message: "长度在6-16" },
        ],
      },
      loading: false,
      passwordType: "password",
      redirect: undefined,
    };
  },
  watch: {
    $route: {
      handler: function (route) {
        this.redirect = route.query && route.query.redirect;
      },
      immediate: true,
    },
  },
  methods: {
    showPwd() {
      if (this.passwordType === "password") {
        this.passwordType = "";
      } else {
        this.passwordType = "password";
      }
      this.$nextTick(() => {
        this.$refs.password.focus();
      });
    },
    async handleLogin() {
      // 1. 表单数据的校验
      try {
        // validate 传入回调函数，回调函数形参表示校验是否通过
        // this.$refs.loginForm.validate((valid)=>{ ... });
        // 返回promise，如果失败则出错，程序不往下走
        await this.$refs.loginForm.validate();
      } catch (error) {
        return console.log(error);
      }
      // 登录中
      this.loading = true;
      try {
        // 2.发生登录请求
        await this.$store.dispatch("user/loginAction", this.loginForm);
        // 3.成功跳转页面
        this.$router.push("/");
      } catch (error) {
        console.log("登录失败", error);
      }
      // 登录结束
      this.loading = false;
    },
  },
};
</script>

<style lang="scss">
/* 修复input 背景不协调 和光标变色 */
/* Detail see https://github.com/PanJiaChen/vue-element-admin/pull/927 */

$bg: #283443;
$light_gray: #68b0fe;
$cursor: #fff;

@supports (-webkit-mask: none) and (not (cater-color: $cursor)) {
  .login-container .el-input input {
    color: $cursor;
  }
}

/* reset element-ui css */
.login-container {
  background-image: url("~@/assets/img/loginbg.jpeg"); // 设置背景图片
  background-position: center; // 将图片位置设置为充满整个屏幕
  .el-input {
    display: inline-block;
    height: 47px;
    width: 85%;

    input {
      background: transparent;
      border: 0px;
      // -webkit-appearance: none;
      border-radius: 0px;
      padding: 12px 5px 12px 15px;
      color: $light_gray;
      height: 47px;
      caret-color: $cursor;

      &:-webkit-autofill {
        box-shadow: 0 0 0px 1000px $bg inset !important;
        -webkit-text-fill-color: $cursor !important;
      }
    }
  }

  .el-form-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.7); // 输入登录表单的背景色
    border-radius: 5px;
    color: #454545;
  }
}
</style>

<style lang="scss" scoped>
$bg: #2d3a4b;
$dark_gray: #889aa4;
$light_gray: #eee;

.login-container {
  min-height: 100%;
  width: 100%;
  background-color: $bg;
  overflow: hidden;

  .login-form {
    position: relative;
    width: 520px;
    max-width: 100%;
    padding: 160px 35px 0;
    margin: 0 auto;
    overflow: hidden;
  }

  .tips {
    font-size: 14px;
    color: #fff;
    margin-bottom: 10px;

    span {
      &:first-of-type {
        margin-right: 16px;
      }
    }
  }

  .svg-container {
    padding: 6px 5px 6px 15px;
    color: $dark_gray;
    vertical-align: middle;
    width: 30px;
    display: inline-block;
  }

  .title-container {
    position: relative;

    .title {
      font-size: 26px;
      color: $light_gray;
      margin: 0px auto 40px auto;
      text-align: center;
      font-weight: bold;
    }
  }

  .show-pwd {
    position: absolute;
    right: 10px;
    top: 7px;
    font-size: 16px;
    color: $dark_gray;
    cursor: pointer;
    user-select: none;
  }
  // 穿透语法  ::v-deep 使用
  ::v-deep .el-form-item__error {
    color: #fff;
  }
}

.loginBtn {
  background: #407ffe;
  height: 64px;
  line-height: 32px;
  font-size: 24px;
}
</style>
